Smartwheel Pad Mk1

3d printed macropad with a tactile knob

Assembly

Components

• Bearing 60012 12x28 mm
• EC12E rotary encoder, no button (d=6mm, l=15mm, f=7mm)
• MX style switch
• Replacement string for the switch (for the higher activation force)
• Aluminium shaft d=8mm (needs to be cut in 4 pieces ~4 cm)
• 4x M3 flat head screws
• 4x M3 d=5mm heat set inserts
• Any microcontroller (I use Wemos D1 mini type c)

Used 3D models:

• https://github.com/ConstantinoSchillebeeckx/cherry-mx-switch

CAD links

• Fusion 360 online editor: https://a360.co/3OT2Vcp
• Fusion 360 .f3z and .step models are in src folder

Usage

Firmware

Install Platformio cli/ide and run pio run --target upload in order to flash the firmware

Software

Install smartwheel-core, go to Input -> Serial and change the device port if needed